What did TC's cost new?

The bill of sale is still in my dash. The original buyer paid $15,600 for the car new in Jan of '89. I think the only extra cost item on the car was an auto transmission.

Here is my window sticker:

COUGAR XR-7 2-DOOR --------------- 13,812.00

MEDIUM CANYON RED METALLIC/2M/

THE FOLLOWING ITEMS ARE STANDARD AT NO EXTRA CHARGE
.2.3L EFI TURBO ENGINE
.FUNCTIONAL SPORT SEATS
.FRONT FOG LAMPS AND AIR DAM
.15 X 7 ALUMINUM WHEELS
.LOWER B/S ACCENT PAINT
.P225/60VR15 BSW TIRES
.DUAL POWER OUTSIDE MIRRORS
.QUAD SHOCK REAR SUSPENS
.ANALOG INSTUMENT CLUSTER
.POWER WDOS/TINTED GLASS

KEYLESS ENTRY SYSTEM -------------- 198.00
WINDSHIELD WIPERS-INTERVAL --------- 50.00
HEADLAMP CONVENIENCE GROUP ------- 176.00
LAMPS-CORNERING --------------------- 68.00
STEERING WHEEL-TILT ---------------- 115.00
STEERING WHEEL-LEATHER WRAPPED --- 59.00
SPEED CONTROL-FINGERTIP ----------- 176.00
SEATS-POWER 6-WAY DUAL ----------- 476.00
DEFROSTER-ELECTRIC REAR WINDOW -- 145.00
AIR COND-ELECT CLIMATE CONTROL --- 924.00
AM/FM ELECT 4-SPKR CASSETTE ------ 300.00
VENT WINDOWS-PIVOTING FRONT ------ 79.00
MIRRORS-DUAL ILLUM. VISOR ---------- 106.00
ANTENNA-POWER ---------------------- 71.00
SOUND SYSTEM-PREMIUM ------------- 168.00
LIGHT GROUP -------------------------- 35.00
LOCK GROUP-POWER ------------------ 220.00

------- TOTAL VEHICLE & OPTIONS -- 17178.00
------- DESTINATION & DELIVERY ----- 432.00
------- TOTAL BEFORE DISCOUNTS -- 17610.00
---- ##SPECIAL ADDED DISCOUNTS#-- 1220.00-


Total ------------------------------- 16,390.00

Brent